645012574

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{76369}}^1$

素因数の和:76515

約数の個数: 16

約数和(自身を含む): 1000752480

約数和(自身を除く): 355739906

約数列:

[1, 2, 41, 82, 103, 206, 4223, 8446, 76369, 152738, 3131129, 6262258, 7866007, 15732014, 322506287, 645012574]

約数ペア:

[(1, 645012574), (2, 322506287), (41, 15732014), (82, 7866007), (103, 6262258), (206, 3131129), (4223, 152738), (8446, 76369)]